<Ratchet Screwdriver> ● Ratchet mechanism allows screws to be turned with repeated left and right turning motions without changing the grip. ● Switch between forward, reverse, and fixed modes with one hand. ● Number of gears: 10 ● Includes a quick-turning handle that can be turned with fingertips. ● The serrated tip prevents cam-out (screw head lifting). Includes ACR (Anti-Cam-out Recess) bits. ● Compatible bits: 6.35mm hex shank, double-ended and single-ended, 30mm or longer. <Flexible Shaft> ● Bend the shaft freely for screwing in corners and edges. ● Allows work in tight spaces where a screwdriver cannot fit. ● Maximum shaft diameter: Φ14mm ● Maximum bending angle: 75 degrees ● Compatible bits: 6.35mm hex shank, double-ended and single-ended, 30mm or longer. ● For hand-operated interchangeable screwdrivers.